[1/2] Base: Option to enable Notification Light when screen is on

This makes it possible to let the Notification LED flash even when the screen is on

Change-Id: I58be9646cdc84d4765342a5ab45b4641c3d5daba
[1/3] frameworks/base: Add NFC polling setting

Change-Id: I29b4a49d846da3b8eebf6c92cc3745f035034603